Question: In 1930, what was the capital of Türkmenabat?
Paraphrase: What was the capital of Türkmenabat in 1930
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q487684 p:P1376 ?s . ?s ps:P1376 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1930')) }